diff --git a/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfgInternal.h b/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfgInternal.h
index 7326a1b81d..5c8bd8a368 100644
--- a/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfgInternal.h
+++ b/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfgInternal.h
@@ -149,8 +149,8 @@ PciCfg2Modify (
   IN CONST  EFI_PEI_PCI_CFG2_PPI      *This,
   IN        EFI_PEI_PCI_CFG_PPI_WIDTH Width,
   IN        UINT64                    Address,
-  IN CONST  VOID                      *SetBits,
-  IN CONST  VOID                      *ClearBits
+  IN        VOID                      *SetBits,
+  IN        VOID                      *ClearBits
 );
 
 
diff --git a/MdeModulePkg/Universal/PcatSingleSegmentPciCfg2Pei/PciCfg2.c b/MdeModulePkg/Universal/PcatSingleSegmentPciCfg2Pei/PciCfg2.c
index 614df948a2..ae177f487c 100644
--- a/MdeModulePkg/Universal/PcatSingleSegmentPciCfg2Pei/PciCfg2.c
+++ b/MdeModulePkg/Universal/PcatSingleSegmentPciCfg2Pei/PciCfg2.c
@@ -150,8 +150,8 @@ PciCfg2Modify (
   IN CONST  EFI_PEI_PCI_CFG2_PPI      *This,
   IN        EFI_PEI_PCI_CFG_PPI_WIDTH Width,
   IN        UINT64                    Address,
-  IN CONST  VOID                      *SetBits,
-  IN CONST  VOID                      *ClearBits
+  IN        VOID                      *SetBits,
+  IN        VOID                      *ClearBits
 );